CN111472416B

CN111472416B - Overflow-proof single-riser drainage system

Info

Publication number: CN111472416B
Application number: CN202010322917.9A
Authority: CN
Inventors: 何际跃; 蒋雪莲; 谭伟峰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2021-05-18
Anticipated expiration: 2040-04-22
Also published as: CN111472416A

Abstract

The invention discloses an anti-overflow single-riser drainage system, which comprises a drainage riser, a top-extended vent cap, a drainage three-way assembly, a primary drainage bent pipe and a primary horizontal drainage pipe, wherein the top-extended vent cap is arranged on the drainage riser; the drainage three-way components are arranged on the drainage vertical pipes of all the floors of the building and are connected with the horizontal access pipes of the corresponding floors; the drainage tee joint component consists of a drainage tee joint and a diaphragm inner sleeve, the upper end of the diaphragm inner sleeve is provided with an inflow port, the lower end of the diaphragm inner sleeve is provided with an outflow port, the outflow port is locally and fixedly connected with the peripheral part of the lower connector of the drainage tee joint, the inflow port is fixedly connected with the peripheral part of the upper connector of the drainage tee joint, and a horizontal connector on the drainage tee joint is connected with a horizontal access pipe. The invention avoids the two water flows from violent intersection collision and splash diffusion, improves the hydraulic condition, eliminates positive pressure reverse overflow and negative pressure suction, is beneficial to maintaining stable flow state and reducing water flow impact noise, and is beneficial to improving the drainage capacity of the stand pipe and the indoor environment silence level.

Description

Overflow-proof single-riser drainage system

Technical Field

The invention relates to the technical field of domestic drainage systems of high-rise and multi-story buildings, in particular to an anti-overflow single-riser drainage system.

Background

A building is provided with a domestic drainage system, which is a basic requirement for maintaining the healthy environment of normal life and work of people, social development is accompanied by more and more high-rise buildings in cities, the sewage flow of a drainage vertical pipe is also increased, the common single-vertical-pipe drainage system adopted by the previous multi-rise buildings cannot meet the use requirement of the high-rise buildings, and the use of the common single-vertical-pipe drainage system in the high-rise buildings is limited by related specifications. Along with the increase of sewage flow of the vertical pipe and the horizontal pipe, intersection collision of vertical water flow and horizontal water flow at the tee joint of the drainage vertical pipe is more violent, so that destructive sudden change of local pressure in the pipe is caused, even water plug flow occurs, the water seal state of a sanitary ware in a drainage system is damaged, positive pressure reverse overflow or negative pressure suction occurs, dirty air is caused to flow into an indoor environment, and even the sewage splashed by reverse spraying at the mouth of the sanitary ware can cause personal damage in a long term. Hitherto, a common double-vertical-pipe drainage system, a Suvitto special single-vertical-pipe drainage system or a cyclone single-vertical-pipe drainage system is generally adopted by a high-rise building to replace the common single-vertical-pipe drainage system, but the common double-vertical-pipe drainage needs more than 2 times of pipes and occupies larger indoor use space in a toilet, the Suvitto special single pipe and the cyclone single pipe have relatively small drainage capacity and are not attractive enough in appearance, the common double-vertical-pipe drainage system provided with a special ventilating vertical pipe is developed into the Suvitto special single-vertical-pipe system with an air-water isolation channel, and the cyclone single-vertical-pipe drainage system is technically developed to improve the drainage capacity of the vertical pipe, but the high-rise building adopts more common double-vertical-pipe drainage systems which are still earlier, the Suvitto special single-vertical-pipe drainage system is inferior to the Suvitto special single-vertical-pipe, therefore, the development of the technology does not bring the upgrading and upgrading result of the market, the comprehensive cost performance of economy and reliability is still the main factor of market selection, and perhaps the progress of the technology does not achieve the perfect unification of the cost performance, so that the single-riser system cannot obtain the later competitive advantage of the high-rise building market. The pollution condition that sewage overflows into the room due to overlarge drainage flow or unsmooth jam in a short time of an indoor drainage system occurs, the public generally thinks that the pollution accidents are the result of improper use, the belief is not caused by the structural defects of the drainage system, reflects certain objective reality, the existing indoor drainage system does not have the function of preventing sewage overflow after all, the structural defects of the system are not recognized as the main reasons of the pollution accidents, the habitual belief often blurs the actual understanding of the problems and covers the necessity of solving the problems, so that the urgent situation of sudden sewage back overflow cannot be timely handled, and in another aspect, the habitual opinion causes that structural defects existing in the existing indoor drainage system are not objectively recognized and the problem of sanitation and safety is not recognized to be solved. In view of the above, it is desirable to design a spill proof single riser drain system.

Disclosure of Invention

The invention aims to provide an anti-overflow single-riser drainage system, which avoids the intense intersection collision and splashing diffusion of two water flows, greatly improves the hydraulic condition, achieves the aim of eliminating positive pressure back overflow and negative pressure suction, is favorable for maintaining stable flow state and reducing water flow impact noise, and is favorable for improving the drainage capacity of a riser and the indoor environment silence level.

In order to achieve the purpose, the invention provides an anti-overflow single-riser drainage system which comprises a drainage riser, a top-extending vent cap, a drainage three-way component, a first-layer drainage bent pipe and a first-layer horizontal drainage pipe, wherein the first-layer horizontal drainage pipe, the first-layer drainage bent pipe, the drainage three-way component and the top-extending vent cap are sequentially fixed on the drainage riser from bottom to top;

the drainage three-way components are arranged on the drainage vertical pipes of all the building layers, and the drainage three-way components on all the building layers are connected with the horizontal access pipes of the corresponding building layers;

the drainage tee bend subassembly is in by drainage tee bend and setting the inside diaphragm endotheca of drainage tee bend is constituteed, diaphragm endotheca upper end is provided with the influent stream mouth, and the lower extreme is provided with the outfall, the outfall with drainage tee bend's the peripheral position local fixed connection of lower interface, the influent stream mouth with drainage tee bend's the peripheral position fixed connection of last interface, drainage tee bend last horizontal interface with the level inserts union coupling. Preferably, the drainage tee joint is arranged in a vertical structure.

Preferably, the diaphragm inner sleeve is an elastic diaphragm inner sleeve or an elastic separation net inner sleeve or a flexible diaphragm inner sleeve or a flexible separation net inner sleeve.

Preferably, the diaphragm inner sleeve is arranged to be of a straight tube structure.

Preferably, the diaphragm inner sleeve is arranged in a bent tubular structure.

Preferably, the diaphragm inner sleeve is arranged to be of a three-way tubular structure with a vertical water flow and horizontal water flow isolation channel, a vertical inlet on the diaphragm inner sleeve is fixedly connected with the peripheral part of the upper interface, a horizontal inlet on the diaphragm inner sleeve is fixedly connected with the peripheral part of the horizontal interface, and an outlet on the diaphragm inner sleeve is locally and fixedly connected with the peripheral part of the lower interface.

Preferably, the radial cross section of the diaphragm inner sleeve is circular or irregular polygon in a natural state, and the shape of the flow outlet is one of flat opening, inclined opening, notch and flaring opening.

Therefore, the anti-overflow single-stand pipe drainage system adopting the structure has the following effects:

(1) the structure is simple, the performance is excellent, the appearance is concise, the installation is convenient, the system is obviously superior to a common double-stand pipe drainage system, a Suvitto single-stand pipe drainage system and a swirler single-stand pipe drainage system, and the system has the technical advantages of upgrading and updating;

(2) compared with the similar common double-vertical-pipe drainage system, the Suvitto special single-vertical-pipe drainage system and the cyclone single-vertical-pipe drainage system, the production cost is obviously reduced, raw materials are saved, the production cost is equivalent to that of the common single-vertical-pipe drainage system, and the pipe and the production process are the same as those of a common plastic drainage pipe;

(3) compared with the similar drainage system, the drainage system has the function of preventing sewage from overflowing, overcomes the traditional structural defects of the existing drainage system, and greatly improves the drainage capacity of the vertical pipe.

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Drawings

FIG. 1 is a schematic structural view of an embodiment of an anti-overflow single-riser drainage system according to the present invention;

FIG. 2 is a schematic structural view of a three-way drain assembly of an embodiment of an anti-overflow single-riser drain system of the present invention.

Detailed Description

The technical solution of the present invention is further illustrated by the accompanying drawings and examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of "first," "second," and similar terms in the present application do not denote any order, quantity, or importance, but rather the terms are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Fig. 1 is a schematic structural view of an embodiment of an anti-overflow single-riser drainage system according to the present invention, and fig. 2 is a schematic structural view of a drainage tee assembly according to an embodiment of an anti-overflow single-riser drainage system according to the present invention. As shown in the figure, the invention provides an anti-overflow single-riser drainage system, which comprises a drainage riser 1, a top-extended vent cap 2, a drainage three-way component 3, a first-layer drainage bent pipe 4 and a first-layer horizontal drainage pipe 5, wherein the first-layer horizontal drainage pipe 5, the first-layer drainage bent pipe 4, the drainage three-way component 3 and the top-extended vent cap 2 are sequentially fixed on the drainage riser 1 from bottom to top; a drainage three-way component 3 is arranged on each drainage vertical pipe 1 of each floor of the building, and the drainage three-way component 3 on each floor is connected with a horizontal access pipe 6 of the corresponding floor; the three-way drainage component 3 consists of a three-way drainage 31 and a membrane inner sleeve 32 arranged in the three-way drainage 31, and the three-way drainage 31 is of a vertical structure. The upper end of the diaphragm inner sleeve 32 is provided with an inlet 33, the lower end is provided with an outlet 34, the outlet 34 is locally and fixedly connected with the periphery of a lower connector 35 of the drain tee 31, the inlet 33 is fixedly connected with the periphery of an upper connector 36 of the drain tee 31, and a horizontal connector 37 on the drain tee 31 is connected with the horizontal access pipe 6. The horizontal access pipe 6 and the first layer horizontal discharge pipe 5 are arranged on any side. The inner diaphragm sleeve 32 can also be an inner elastic diaphragm sleeve or an inner elastic separation net sleeve or an inner flexible diaphragm sleeve or an inner flexible separation net sleeve.

The anti-overflow single-riser drainage system with the structure has the advantages that the diaphragm inner sleeve in the drainage three-way assembly flexibly and dynamically isolates the intersection of vertical water flow and horizontal water flow, violent intersection impact and splashing diffusion of the two water flows are avoided, the hydraulic condition is greatly improved, the purpose of eliminating positive pressure anti-overflow and negative pressure suction is achieved, the drainage three-way assembly is free of the protruding shape similar to a special pipe fitting of a Soviet base and is prevented from overflowing a channel, stable flow state maintaining and water flow impact noise reducing are facilitated, and the drainage capacity of the riser and the indoor environment mute level are facilitated to be improved. Compared with a Suvitto pipe fitting and a cyclone pipe fitting, the flexible isolation channel greatly reduces the overall dimension of the pipe fitting while keeping the same throughput capacity to solid matters.

The working principle of the structure of the invention is as follows: the sewage of each layer of the building is collected by the horizontal access pipe and then flows into the vertical drainage pipe from the horizontal interface of the three-way drainage pipe, reaches the bottom layer by means of gravity flow, is accessed into the horizontal drainage pipe of the first layer through the drainage bent pipe of the first layer, and is discharged outdoors. When sewage is converged from a horizontal interface of the drainage tee joint, the inner sleeve of the diaphragm plays a role in dynamic isolation, so that two water flows in different directions, namely vertical and horizontal directions, are prevented from being violently intersected and collided, meanwhile, the inner sleeve of the diaphragm is adaptive to deform according to the flow to vacate respective converging channels with proper sizes, and a stable flow state is continuously maintained in the drainage vertical pipe. The radial section of the diaphragm inner sleeve is in a circular shape or other shapes, the local part of the outflow port is fixed, and the outflow port is in a flat port, an inclined port, a notch, a flaring or other shapes, so that when short-time back overflow pressure such as water plug flow occurs in the drainage vertical pipe, the diaphragm can be conveniently attached to the pipe wall in time to form a sealing effect, and sewage is prevented from flowing back from the horizontal connector to enter the chamber to achieve an anti-overflow function. When the flexible diaphragm inner sleeve is used for replacing the diaphragm inner sleeve, an elastic support which does not influence the flow capacity needs to be arranged at the outflow port end, so that the flexible diaphragm inner sleeve keeps a certain expansion shape, and is convenient to be attached to the pipe wall along the same direction to form a sealing effect once back overflow pressure occurs. When the diaphragm inner sleeve is replaced by a flexible mesh inner sleeve or a bent tubular elastic diaphragm inner sleeve or the outflow port of the elastic diaphragm inner sleeve is in a free state without local fixation, the drainage stand pipe does not have an anti-overflow function when the flow rate is increased to a water plug state.

Example 1

The septum housing 32 is provided as a straight tubular structure.

Example 2

The diaphragm inner housing 32 is provided as a bent tubular structure.

Example 3

The diaphragm inner sleeve 32 is set to be a three-way tubular structure with a vertical water flow and horizontal water flow isolation channel, a vertical inlet on the diaphragm inner sleeve 32 is fixedly connected with the peripheral part of the upper interface 36, a horizontal inlet on the diaphragm inner sleeve 32 is fixedly connected with the peripheral part of the horizontal interface 37, and an outlet on the diaphragm inner sleeve 32 is partially fixedly connected with the peripheral part of the lower interface 35.

Therefore, the overflow-proof single-riser drainage system adopting the structure avoids the violent intersection collision and splash diffusion of two water flows, greatly improves the hydraulic condition, achieves the purpose of eliminating positive pressure back overflow and negative pressure suction, is favorable for maintaining stable flow state and reducing water flow impact noise, and is favorable for improving the drainage capacity of the riser and the indoor environment silence level.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the invention without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a single riser drainage system can prevent overflow which characterized in that:

the drainage device comprises a drainage vertical pipe, a top-extending vent cap, a drainage three-way assembly, a first-layer drainage bent pipe and a first-layer horizontal drainage pipe, wherein the first-layer horizontal drainage pipe, the first-layer drainage bent pipe, the drainage three-way assembly and the top-extending vent cap are sequentially fixed on the drainage vertical pipe from bottom to top;

the drainage tee joint component consists of a drainage tee joint and a diaphragm inner sleeve arranged in the drainage tee joint, the upper end of the diaphragm inner sleeve is provided with an inflow port, the lower end of the diaphragm inner sleeve is provided with an outflow port, the outflow port is locally and fixedly connected with the peripheral part of the lower connector of the drainage tee joint, the inflow port is fixedly connected with the peripheral part of the upper connector of the drainage tee joint, and a horizontal connector on the drainage tee joint is connected with the horizontal access pipe;

the diaphragm inner sleeve is an elastic diaphragm inner sleeve or a flexible diaphragm inner sleeve, the radial section of the diaphragm inner sleeve is circular or irregular polygon in a natural state, and the axial shape of the outflow port is one of a flat port, an inclined port, a notch and a flaring port.

2. The spill-proof single riser drain system of claim 1, wherein: the drainage tee joint is of a vertical structure.

3. The spill-proof single riser drain system of claim 2, wherein: the diaphragm inner sleeve is arranged to be of a straight tube structure.

4. The spill-proof single riser drain system of claim 2, wherein: the diaphragm inner sleeve is of a bent tubular structure.

5. The spill-proof single riser drain system of claim 2, wherein: the diaphragm endotheca sets up to have perpendicular rivers and horizontal rivers isolated channel's tee bend tubular structure, just perpendicular entry on the diaphragm endotheca with go up interface peripheral position fixed connection, horizontal influent stream mouth on the diaphragm endotheca with horizontal interface peripheral position fixed connection, the last outfall of diaphragm endotheca with the peripheral position local fixed connection of lower interface.